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Due date calculator

a date to remember

Calculate your baby's due date

Congratulations, you're pregnant! So you can start planning for your new baby, our due date calculator will help you to work out when they're likely to arrive – most babies arrive within a week of their due date.

When was the first day of your last period?

Adjusted cycle length

If your cycle length is shorter or longer than 28 days, please change the number below.